940 - Heat Treating Stone Update

[@augusthermann5111]

In Germany we call flint with holes in it "Hühnergott" = "Chicken God". They bring luck to their finder😉

[@KnapperJackCrafty]

I knew it. Thank you for the correct word. 😁

[@danielcline7413]

When they first found knapped daggers in europe the were attributed to the forest folk like gnomes and trolls I'm sure you've seen some of these incredible work !

[@KnapperJackCrafty]

Yes, I've seen the daggers. Very well made.

[@jackservold4299]

Do you leave lid off for 250 preheat so moisture doesn't drip down from lid

[@KnapperJackCrafty]

No. Moisture escapes through the gap between the lid and the pan.

[@christopherbunik2116]

Kevin is great, he needs his own channel. Great information and video well done. Thank you.

[@KnapperJackCrafty]

Kevin Channel... haha. He'd probably love that.

[@scottgoldsberry2730]

Do you know the time line as to when this process was figured out? How old is heat treating?

[@KnapperJackCrafty]

There is evidence that heat treating (silcrete) was known in South Africa 70,000 years ago (if I'm not mistaken with the date) www.nature.com/articles/s41599-020-0454-z

[@jimgoodman1845]

Wuz up Kevin.... is it pop'in . thanx4sharing. CU next video

[@davidkinney7638]

Thanks KEV

[@nailbendert4569]

Put a baby monitor next to it while away

[@nailbendert4569]

And pet kevin

[@KnapperJackCrafty]

Ah yes... someone is very smart. 👍

[@donitamartin802]

Noooo fire buddy fire 🔥

[@donitamartin802]

Your trying bro glass it gotta be extreme heat an slow cooling pressure it at well

[@KnapperJackCrafty]

This is chert and flint, not obsidian or glass.

[@Robin18342]

Why dont you use a buffer medium like sand? I was told if your roaster burns out, it will help protect the stone from getting temperature shock.

[@KnapperJackCrafty]

A buffer material like sand is not necessary. Just ask the guys with kilns.

[@curtissmith1391]

I use sand in my turkey roaster to help insulate it better and to help slow the heat increase. With a kiln it is insulated enough not to need sand.

[@KnapperJackCrafty]

@@curtissmith1391 Hi Curtis. With the relatively low temperatures of a turkey roaster compared to a kiln, an insulated lid on the turkey roaster is plenty.

[@thefeatheredfrontiersman8135]

After watching edbow, I've always wanted to get some of that heat treated Mississippi gravel! Have you ever seen him? He makes it look like very high quality stone. Oh and awww dog!

[@KnapperJackCrafty]

EDBO23 had a big influence on me when I started knapping. My style of direct percussion with boppers is very similar to his. I've seen all his videos, some several times.

[@jackservold4299]

200 for first heating to ease moisture out? I find sand bedding helps keep popping to minimum.

[@KnapperJackCrafty]

Have you tried it without sand?

[@jackservold4299]

@@KnapperJackCrafty I cooked batch yesterday turned out ok

[@KnapperJackCrafty]

Sweet.

[@donaldestwanick9776]

Great photo bomb Kevin, atta boy :) How much rock have you processed through that roaster now, would you guess?

[@KnapperJackCrafty]

Probably 600 lbs.

[@margilvale7648]

the big question, is how did the indians manage the heat treatment, since they did not have our tech

[@KnapperJackCrafty]

Stone can be heat treated at the same temperatures required to cook meat or vegetable. You can actually cook everything side by side... stones, meat, whatever. It's not rocket science.😁

[@petepeterson4540]

2nd like